Why Use a Circular Polarizer?

Why use a Circular Polarizer?
 
I talk about the need for a Circular Polarizer (CPL) when I am photographing rivers and waterfalls in order to reduce glare and increase saturation. Here are some examples as to why I use them. In the first image the Sirui CPL is turned to 100% in order to remove all the glare off of the rocks and water. In the second image the Sirui CPL is turned to about 50% to reduce the glare but allows a little to give it a slightly different effect. In the third image the Sirui CPL is at 0% and you can see all the glare that is captured by the sensor. The other advantage to using a Sirui CPL is it will slow down the exposure and allow you to capture mood in the flow of the water.
 
All images made with the Tamron SP 70-200mm f2.8 Di VC USD G2 lens on a Nikon D-500, Manual Exposure mode, f16, ISO 100, shutter speed 1/2 second, Sirui Circular Polarizer, Sirui W2204X waterproof tripod and K20X ballhead, MindShift Gear TrailScape 18L backpack, processed in Lightroom CC. #WithMyTamron, #TamronLensesUSA, #TamronImageMaster, #SiruiUSA, #SiruiProfessional, #MindShiftGear
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4 Responses to “Why Use a Circular Polarizer?”

  1. nlh835 Says:

    I love my polarizer! I really like your examples here. Thanks Dave!

  2. lilybug1960 Says:

    Thanks!

  3. Fred Pember Says:

    One caution: not all CPLs are created equal. Cheap ones can alter focus or distort edges. Be sure to invest in a nice one; you get what you pay for.

    • lilybug1960 Says:

      Absolutely! If you spend good money on a lens, spend good money on any filter you put on front. I use the Sirui brand and love them!

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